# Check that external exceptions are correctly propagated in the Python API

from lexer_example import foo_lexer

@with_lexer(foo_lexer)
grammar foo_grammar {
    @main_rule main_rule <- Example("example")
}

@abstract
class FooNode implements Node[FooNode] {
    @exported
    @external()
    fun prop(): Int
}

class Example: FooNode {
}